Used on f-4, phantom aircraft
An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. it is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. it may completely or partially encase the item for which designed. it may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes insulation blanket, thermal, aircraft; insulation pipe fitting covering, thermal; and insulation sleeving, thermal.
NSN 5950-00-409-3440
NSN 5855-01-483-1350
NSN 5925-01-086-3310
NSN 5905-01-394-9387
NSN 5835-01-493-1826
NSN 6150-01-312-9462
NSN 5999-01-426-3992
NSN 6135-01-290-6487
NSN 6150-01-541-4278
NSN 6145-00-099-8986
NSN 5835-00-005-7909
NSN 6135-01-621-4927